6C4D.4

ICD-11 MMS 2026-01

Dissociative drug-induced delirium including ketamine or PCP

Description

Dissociative drug-induced delirium including Ketamine or PCP is characterised by an acute state of disturbed attention and awareness with specific features of delirium that develops during or soon after substance intoxication or during the use of dissociative drugs. The amount and duration of dissociative drug use must be capable of producing delirium. The symptoms are not better explained by a primary mental disorder, by use of or withdrawal from a different substance, or by another health condition that is not classified under Mental, behavioural and neurodevelopmental disorders.

Index terms

  • Dissociative drug-induced delirium including ketamine or PCP

Exclusions from above levels

  • QE11.7 – Hazardous use of dissociative drugs including ketamine or PCP
  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Sibling codes

  • 6C4D.0 – Episode of harmful use of dissociative drugs including ketamine or PCP
  • 6C4D.1 – Harmful pattern of use of dissociative drugs, including ketamine or PCP
  • 6C4D.2 – Dissociative drug dependence including ketamine or PCP
  • 6C4D.3 – Dissociative drug intoxication including Ketamine or PCP
  • 6C4D.5 – Dissociative drug-induced psychotic disorder including ketamine or PCP
  • 6C4D.6 – Certain specified dissociative drug-induced mental or behavioural disorders, including ketamine or phencyclidine (PCP)
  • 6C4D.Y – Other specified disorders due to use of dissociative drugs including ketamine or phencyclidine (PCP)
  • 6C4D.Z – Disorders due to use of dissociative drugs including ketamine or phencyclidine (PCP), unspecified

Foundation entity

Dissociative drug-induced delirium including ketamine or PCP – http://id.who.int/icd/entity/216587818

Allowed postcoordination axes

Part of: 6C4D: Disorders due to use of dissociative drugs including ketamine or phencyclidine (PCP) › 06: Mental, behavioural or neurodevelopmental disorders